import { login, logout, getInfo,queryPermissionsByUser } from '@/api/user'
import { getToken, setToken, removeToken } from '@/utils/auth'
import { asyncRoutes, resetRouter } from '@/router'

const getDefaultState = () => {
  return {
    token: getToken(),
    name: '',
    avatar: '',
  }
}

const state = getDefaultState()

const mutations = {
  RESET_STATE: (state) => {
    Object.assign(state, getDefaultState())
  },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  SET_PERMISSIONLIST: (state, permissionList) => {
    state.permissionList = permissionList
  },
}

const actions = {
  // user login
  login({ commit }, userInfo) {
    const { username, password } = userInfo
    return new Promise((resolve, reject) => {
      login({ username: username.trim(), password: password }).then(response => {
        const { data } = response
        commit('SET_TOKEN', data.token)
        setToken(data.token)
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // get user info
  getInfo({ commit, state }) {
    return new Promise((resolve, reject) => {
      getInfo(state.token).then(response => {
        const { data } = response

        if (!data) {
          return reject('Verification failed, please Login again.')
        }

        const { name, avatar } = data

        commit('SET_NAME', name)
        commit('SET_AVATAR', avatar)
        resolve(data)
      }).catch(error => {
        reject(error)
      })
    })
  },

  // user logout
  logout({ commit, state }) {
    return new Promise((resolve, reject) => {
      logout(state.token).then(() => {
        removeToken() // must remove  token  first
        resetRouter()
        commit('RESET_STATE')
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // remove token
  resetToken({ commit }) {
    return new Promise(resolve => {
      removeToken() // must remove  token  first
      commit('RESET_STATE')
      resolve()
    })
  }
}



// judge ausycRoutes has permisson by  BackEnd Routes
//dynamicRoute is signle aysncRoute
//
// function hasPermission(dynamicRoute, backEndRoute) {
//   if(dynamicRoute.path ){
//     if(backEndRoute.path === dynamicRoute.path){
//       return true
//     }
//     else{
//       return false
//     }
//   }
//   else {
//     return false
//   }
// }
//
// //
// export function filterAsyncRoutes(dynamicRoutes, backEndRoutes) {
//   const res=[]
//   backEndRoutes.forEach(
//     backEndRoute=>{
//       console.log(backEndRoute)
//       dynamicRoutes.filter( dynamicRoute =>{
//         if(hasPermission(backEndRoute,dynamicRoute)){
//
//           if (backEndRoute.children && backEndRoute.children.length) {
//             // todo problem
//             dynamicRoute.children=filterAsyncRoutes(dynamicRoute.children, backEndRoute.children)
//             //
//           }
//           res.push(dynamicRoute)
//         }
//       })
//     }
//   )
//   return  res
// }
//


export default {
  namespaced: true,
  state,
  mutations,
  actions
}

